Sudokus are extremely satisfying and enjoyable number-placement puzzles that give our brains a great workout. This book, complete with beautiful foiled cover, is packed with over 200 sudokus to test your skills at this most popular of number puzzles. - IMPROVE YOUR SOLVING SKILL: Each puzzle is graded, from beginner to expert, so you can enjoy the satisfaction of seeing your skill improve as you work through the levels.- EXERCISE YOUR BRAIN: Give your mind a great workout as you find where each missing number fits.- REDUCE STRESS: Feel your stress melt away as you focus on these satisfying puzzles.